{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["concept or principle", "manufacturing process", "process parameter", "application", "material", "manufacturing standard"], "input": "The influence of pre-heat treatment on the strength and weldability was revealed ."}
{"concept or principle": [], "manufacturing process": ["pre-heat treatment"], "process parameter": [], "application": [], "material": [], "manufacturing standard": []}